FBI San Antonio memo on unexplained phenomena near Los Alamos

When

A confidential FBI San Antonio memo to J. Edgar Hoover, filed under 'Protection of Vital Installations', said the Army and Air Force treated flying saucer reports as a top-secret matter and that recent sightings were concentrated near the Atomic Energy Commission site at Los Alamos.

Sources

  1. OfficialFBI memo, San Antonio to Director, 31 January 1949 (Protection of Vital Installations) (opens in a new tab)Federal Bureau of Investigation (copy hosted by The Black Vault) / 1949-01-31

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